CodeRabbit review noise reduction

.coderabbit.yaml

@@ -5,3 +5,13 @@ reviews:
     labels: ["Needs review"]
     ignore_usernames: ["dependabot[bot]", "renovate[bot]"]
     ignore_title_keywords: ["wip", "draft"]
+
+  review_level: "high"        # BIG one
+  max_comments: 10            # hard cap
+  inline_comments: false      # summary-only reviews
+  request_changes: false      # no aggressive blocking
+
+  focus:
+    - "bugs"
+    - "security"
+    - "performance"